Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9783451
SERIAL NO

14766353

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided is a glass composition containing, in mol %: 56 to 66% SiO2; 6 to 12% Al2O3; 5 to 14% MgO; 0 to 1% CaO; 17 to 24% Na2O; and 0 to 3% K2O. The total content of Li2O, Na2O, and K2O is in a range of 18.5 to 24%. This glass composition is suitable for production by a float process and for introduction of a compressive stress layer with a high crack initiation load, a high surface compressive stress, and a large thickness by chemical strengthening.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • NIPPON SHEET GLASS COMPANY, LIMITED

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kurachi, Junji Tokyo, JP 45 681
Nakamura, Aya Tokyo, JP 11 15

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 10, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 10, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00